Properties

Label 47.23.22.12
Base \(\Q_{47}\)
Degree \(23\)
e \(23\)
f \(1\)
c \(22\)
Galois group $C_{23}$ (as 23T1)

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Defining polynomial

\(x^{23} + 940\) Copy content Toggle raw display

Invariants

Base field: $\Q_{47}$
Degree $d$: $23$
Ramification exponent $e$: $23$
Residue field degree $f$: $1$
Discriminant exponent $c$: $22$
Discriminant root field: $\Q_{47}$
Root number: $1$
$\card{ \Gal(K/\Q_{ 47 }) }$: $23$
This field is Galois and abelian over $\Q_{47}.$
Visible slopes:None

Intermediate fields

The extension is primitive: there are no intermediate fields between this field and $\Q_{ 47 }$.

Unramified/totally ramified tower

Unramified subfield:$\Q_{47}$
Relative Eisenstein polynomial: \( x^{23} + 940 \) Copy content Toggle raw display

Ramification polygon

Residual polynomials:$z^{22} + 23z^{21} + 18z^{20} + 32z^{19} + 19z^{18} + 44z^{17} + 38z^{16} + 5z^{15} + 10z^{14} + z^{13} + 39z^{12} + 29z^{11} + 29z^{10} + 39z^{9} + z^{8} + 10z^{7} + 5z^{6} + 38z^{5} + 44z^{4} + 19z^{3} + 32z^{2} + 18z + 23$
Associated inertia:$1$
Indices of inseparability:$[0]$

Invariants of the Galois closure

Galois group:$C_{23}$ (as 23T1)
Inertia group:$C_{23}$ (as 23T1)
Wild inertia group:$C_1$
Unramified degree:$1$
Tame degree:$23$
Wild slopes:None
Galois mean slope:$22/23$
Galois splitting model:Not computed